Byobu prints out non-standard escape sequences at startup

ai flag

I’m experiencing an issue with Byobu where non-standard escape sequences are being printed when I start a session. My prompt, which should display as andy@msi-ge62 ~, is surrounded by these sequences, appearing like this after launching Byobu:

^[[>0;10;1candy@msi-ge62 ~ 0;10;1c

It was working fine prior to today. I'm not sure what happened.

I am using Windows 11 command prompt as the terminal emulator. It doesn't seem to happen in some other terminal emulators, PUTTY for example. I have been using Windows command prompt because it's the only terminal in which all of the function keys work properly for me in Byobu.

I'm using:

  • Byobu version 5.133
  • tmux 3.2a
  • Ubuntu Server 22.04.
  • Client is Windows 11 22H2 (Build 22621.1702)

I can't replicate this issue on other Linux hosts with Byobu using the same Windows terminal emulator.

Here's what I've tried so far to resolve the issue:

  • Checked the TERM environment variable outside of Byobu. It's set to xterm-256color.
  • Reset Byobu's configuration by renaming the ~/.byobu directory. This didn't change the behavior.
  • Used a clean .bashrc.
  • My shell's PS1 configuration seems to be normal.
  • Uninstalled and purged tmux and Byobu then reinstalled them both fresh.

I'm unsure of how to proceed with troubleshooting this issue. Any guidance would be greatly appreciated.

ae flag

Something sets an invalid or too low escape timeout for your tmux (which is Byobu's underhood), so tmux set-option -sg escape-time 1 may help.

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